Intelligence, Muddy Waters and Evil Social Dynamics

Caroline? is an obscure made-for-TV movie with a one-paragraph plot summary on Wikipedia that completely leaves out anything substantive. Wikipedia says "Caroline" shows up just before a large inheritance is due, but my memory of the movie is that the concern of the person claiming to be Caroline isn't money. It's the fate of two minor children in a wealthy, dysfunctional family. The majority of…